The phrase "quick ones" can refer to drinks, shots, or any other small amount of liquid consumed quickly. Synonyms for this term include "shooters," "snifters," "nips," "drams," "swigs," "sips," "gulps," and "slugs." Each of these terms implies a similar kind of quick, casual consumption of a drink or substance. Other informal phrases that can be used instead of "quick ones" include "taking a swig," "tossing one back," "throwing down," and "knocking back." No matter which term you choose to use, the meaning remains the same: you're drinking something quickly and without too much fuss.